aboutsummaryrefslogtreecommitdiffstats
path: root/target/linux/layerscape/patches-5.4/701-net-0185-staging-dpaa2-evb-Use-MC-portal-in-atomic-context.patch
diff options
context:
space:
mode:
Diffstat (limited to 'target/linux/layerscape/patches-5.4/701-net-0185-staging-dpaa2-evb-Use-MC-portal-in-atomic-context.patch')
-rw-r--r--target/linux/layerscape/patches-5.4/701-net-0185-staging-dpaa2-evb-Use-MC-portal-in-atomic-context.patch25
1 files changed, 25 insertions, 0 deletions
diff --git a/target/linux/layerscape/patches-5.4/701-net-0185-staging-dpaa2-evb-Use-MC-portal-in-atomic-context.patch b/target/linux/layerscape/patches-5.4/701-net-0185-staging-dpaa2-evb-Use-MC-portal-in-atomic-context.patch
new file mode 100644
index 0000000000..dae6a0bf84
--- /dev/null
+++ b/target/linux/layerscape/patches-5.4/701-net-0185-staging-dpaa2-evb-Use-MC-portal-in-atomic-context.patch
@@ -0,0 +1,25 @@
+From 918a96ed5ff4cbb499242279e3c76ab7bee43c88 Mon Sep 17 00:00:00 2001
+From: Razvan Stefanescu <razvan.stefanescu@nxp.com>
+Date: Tue, 3 Apr 2018 13:53:00 +0300
+Subject: [PATCH] staging: dpaa2-evb: Use MC portal in atomic context
+
+Avoid triggering stack trace when retrieving interface counters via
+ifconfig by allocating MC portal with atomic I/O enabled.
+
+Signed-off-by: Razvan Stefanescu <razvan.stefanescu@nxp.com>
+---
+ drivers/staging/fsl-dpaa2/evb/evb.c | 3 ++-
+ 1 file changed, 2 insertions(+), 1 deletion(-)
+
+--- a/drivers/staging/fsl-dpaa2/evb/evb.c
++++ b/drivers/staging/fsl-dpaa2/evb/evb.c
+@@ -1204,7 +1204,8 @@ static int evb_probe(struct fsl_mc_devic
+
+ priv = netdev_priv(netdev);
+
+- err = fsl_mc_portal_allocate(evb_dev, 0, &priv->mc_io);
++ err = fsl_mc_portal_allocate(evb_dev, FSL_MC_IO_ATOMIC_CONTEXT_PORTAL,
++ &priv->mc_io);
+ if (unlikely(err)) {
+ dev_err(dev, "fsl_mc_portal_allocate err %d\n", err);
+ goto err_free_netdev;